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[ GLSA 200804-23 ] CUPS: Integer overflow vulnerability
From: Matthias Geerdsen <vorlon () gentoo org>
Date: Sat, 19 Apr 2008 01:27:19 +0200

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Gentoo Linux Security Advisory                           GLSA 200804-23
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                                            http://security.gentoo.org/
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  Severity: High
     Title: CUPS: Integer overflow vulnerability
      Date: April 18, 2008
      Bugs: #217232
        ID: 200804-23

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Synopsis
========

A vulnerability in CUPS might allow for the execution of arbitrary code
or a Denial of Service.

Background
==========

CUPS provides a portable printing layer for UNIX-based operating
systems.

Affected packages
=================

    -------------------------------------------------------------------
     Package         /   Vulnerable   /                     Unaffected
    -------------------------------------------------------------------
  1  net-print/cups      < 1.2.12-r8                      >= 1.2.12-r8

Description
===========

Thomas Pollet reported a possible integer overflow vulnerability in the
PNG image handling in the file filter/image-png.c.

Impact
======

A malicious user might be able to execute arbitrary code with the
privileges of the user running CUPS (usually lp), or cause a Denial of
Service by sending a specially crafted PNG image to the print server.
The vulnerability is exploitable via the network if CUPS is sharing
printers remotely.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CUPS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-print/cups-1.2.12-r8"

References
==========

  [ 1 ] CVE-2008-1722
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1722

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200804-23.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security () gentoo org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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